All the hiding places revealed

#p-#w-room          location
----------    ----------------
Aft deck      near the thin topiary
Atrium        near right pillar
              on the library entrance
              on the top deck at left
Ballroom      in front of the stage curtain
              by the right statue
              near front table (small)
Best Dressed  next to controls

Bowling       by the hippo's butt
Bridge        inside door
Cabin Zero    by the back bucket
              at the toilet base
              under the lower left pipes
Casino        at the lower tables
Employees'    near chair at a table
Forward Deck  behind the topiary sheep's pot